The valency of an element is: Science
(a) The number of electrons in its atoms b) the number of bonds an atom can form
( c)The number of protons in its atom.

it is the number of bonds it makes

Explanation:

you can take an example of methane

in that carbon forms 4 bonds with hydrogen.

hence its valency is 4

in a way yes you create your own scheduele but you kind of dont too

explanation:

impartial means: treating all rivals or disputants equally; fair and just.

i would say that impartial is agreeing with something, because impartial means to treat your rivals, arguments, and reasoning equally and fair. so if you rival says something, agreeing on it means you did the impartial.